Product Name: Dahua 4/8/16channel Smart 4K H. 265 Lite 4K Security NVR (NVR4104-4KS2/NVR4108-4KS2/NVR4116-4KS2) Model NO.: NVR4104-4KS2/NVR4108-4KS2/NVR4116-4KS2 Type: Quad-Core Embedded Processor Hdd Supported: 1 Hard Disk Size: 6TB Video File Logging Mode: Alarm Recording, Motion Detection Recording, Video Manual, Time Lapse Video Audio: with Audio Video Input/Output: 4/8/16CH Trademark: DaHua without logo Origin: China Product Description Model: NVR4104/4108/4116-4KS24/8/16 Channel Smart 1U 4K&H.265 Lite Network Video Recorder> H.265/H.264 codec decoding> Max 80Mbps Incoming Bandwidth> Up to 8MP Resolution for Preview and Playback> Up to 2ch@4K/8ch@1080P decoding> HDMI/VGA simultaneous video outputSystemMain ProcessorQuad-core embedded processorOperating SystemEmbedded LINUXAduio and VideoIP Camera Input4/8/16 ChannelTwo-way Talk1 Channel Input, 1 Channel Output, RCADisplayInterface1 HDMI, 1 VGAResolutionHDMI:3840×2160, 1920×1080, 1280×1024, 1280×720VGA: 1920×1080, 1280×1024, 1280×720Decoding Capacity2ch@4K(30fps)/8ch@1080P(30fps)Multi-screenDisplay4CH: 1/48CH: 1/4/8/916CH: 1/4/8/9/16OSDCamera title, Time, Camera lock, Motion detection, RecordingRecordingCompressionH.265/ H.264Resolution8Mp/ 6Mp/ 5MP/4MP/ 3MP/ 1080P/ 1.3MP/ 720P etc.Record Rate80MbpsBit Rate16Kbps ~ 20Mbps Per ChannelRecord ModeManual, Schedule (Regular, Continuous), MD (Video detection: Motion Detection, Tampering, Video Loss), StopRecord Interval1 ~ 120 min (default: 60 min), Pre-record:1 ~ 30 sec, Post-record: 10 ~ 300 secVideo Detection and AlarmTrigger EventsRecording, PTZ, Tour, Video Push, Email, Snapshot, Buzzer and Screen TipsVideo DetectionMotion Detection, MD Zones: 396 (22 × 18),Video Loss and TamperingAlarm inputN/ARelay OutputN/APlayback and BackupPlayback4CH: 1/48CH: 1/4/916CH: 1/4/9/16Search ModeTime /Date,MD and Exact Search(accurate to second), Smart searchPlayback FunctionPlay, Pause, Stop, Rewind, Fast play, Slow Play,Next File, Previous File, Next Camera, Previous Camera, Full Screen, Backup Selection, Digital ZoomBackup ModeUSB Device/NetworkThird-party SupportThird-party SupportArecont Vision, Airlive, AXIS, Canon, Dynacolor, JVC, LG, Panasonic, Pelco, PSIA, Samsung, Sanyo, Sony, Watchnet and moreNetworkInterface1 RJ-45 Port (10/100Mbps)Ethernet Port1 Independent 100Mbps Ethernet PortPoEN/ANetwork FunctionHTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, SNMP, IP Search (Support Dahua IP camera, DVR, NVS, etc.), Easy4ipMax. User Access128 usersSmart PhoneiPhone, iPad, AndroidInteroperabilityonVIF 2.4, SDK, CGIStorageInternal HDD1 SATA III Port, Up to 6 TB capacity for each HDDHDD ModeSingleAuxiliary InterfaceUSB2 ports(1 Rear USB2.0, 1 Front USB2.0)RS232N/ARS485N/AElectricalPower SupplyDC12V/2APower Consumption<6.3W (Without HDD)EnvironmentalOperating Conditions-10°C ~ +55°C (+14°F ~ +131°F), 86 ~ 106kpaStorage Conditions-20°C ~ +70°C (-4°F ~ +158°F), 0 ~ 90% RHConstructionDimensionsSmart 1U, 204.6mm×204.6mm×45.6mm(8.1" x 8.1" x 1.8")Net Weight0.4kg (0.88 lb) (without HDD)Gross Weight1.5kg(3.31 lb)(without HDD)CertificationsCEEN55032, EN55024, EN50130-4, EN60950-1FCCPart 15 Subpart B, ANSI C63.4-2014ULUL60950-1